def GetHistory(self, show_empty_layers=False):
"""Returns a dict containing the modification history of the container.
Args:
show_empty_layers (bool): whether to display empty layers.
Returns:
dict: object describing history of the container.
"""
result_dict = {}
for layer in self.GetOrderedLayers():
layer_info = self.GetLayerInfo(layer)
layer_dict = {}
if layer is None:
raise ValueError('Layer {0:s} does not exist'.format(layer))
layer_size = self.GetLayerSize(layer)
layer_dict['size'] = layer_size
if layer_size > 0 or show_empty_layers or self.docker_version == 2:
layer_dict['created_at'] = utils.FormatDatetime(
layer_info['created'])
container_cmd = layer_info['container_config'].get('Cmd', None)
if container_cmd:
layer_dict['container_cmd'] = ' '.join(container_cmd)
comment = layer_info.get('comment', None)
if comment:
layer_dict['comment'] = comment
result_dict[layer] = layer_dict
return result_dict
def GetHistory(self, container_object, show_empty_layers=False):
"""Returns a string representing the modification history of a container.
Args:
container_object (Container): the container object.
show_empty_layers (bool): whether to display empty layers.
Returns:
str: the human readable history.
"""
history_str = ''
for layer in self.GetOrderedLayers(container_object):
layer_info = self.GetLayerInfo(layer)
if layer is None:
raise ValueError('Layer {0:s} does not exist'.format(layer))
history_str += '-------------------------------------------------------\n'
history_str += layer+'\n'
if layer_info is None:
history_str += 'no info =('
else:
layer_size = self.GetLayerSize(layer)
if layer_size > 0 or show_empty_layers or self.docker_version == 2:
history_str += '\tsize : {0:d}'.format(layer_size)
history_str += '\tcreated at : {0:s}'.format(
utils.FormatDatetime(layer_info['created']))
container_cmd = layer_info['container_config'].get('Cmd', None)
if container_cmd:
history_str += '\twith command : {0:s}'.format(
' '.join(container_cmd))
comment = layer_info.get('comment', None)
if comment:
history_str += '\tcomment : {0:s}'.format(comment)
else:
history_str += 'Empty layer'
return history_str
def GetContainersString(self, only_running=False):
"""Returns a string describing the running containers.
Args:
only_running (bool): Whether we display only running Containers.
Returns:
str: the string displaying information about running containers.
"""
result_string = ''
for container_object in self.GetContainersList(only_running=only_running):
image_id = container_object.image_id
if self.docker_version == 2:
image_id = image_id.split(':')[1]
if container_object.config_labels:
labels_list = ['{0:s}: {1:s}'.format(k, v) for (k, v) in
container_object.config_labels.items()]
labels_str = ', '.join(labels_list)
result_string += 'Container id: {0:s} / Labels : {1:s}\n'.format(
container_object.container_id, labels_str)
else:
result_string += 'Container id: {0:s} / No Label\n'.format(
container_object.container_id)
result_string += '\tStart date: {0:s}\n'.format(
utils.FormatDatetime(container_object.start_timestamp))
result_string += '\tImage ID: {0:s}\n'.format(image_id)
result_string += '\tImage Name: {0:s}\n'.format(
container_object.config_image_name)
return result_string
def GetContainersJson(self, only_running=False):
"""Returns a dict describing the running containers.
Args:
only_running (bool): Whether we display only running Containers.
Returns:
dict: A dict object representing the containers.
"""
result = []
for container_object in self.GetContainersList(only_running=only_running):
image_id = container_object.image_id
if self.docker_version == 2:
image_id = image_id.split(':')[1]
container_json = {
'container_id': container_object.container_id,
'image_id': image_id
}
if container_object.config_labels:
container_json['labels'] = container_object.config_labels
container_json['start_date'] = utils.FormatDatetime(
container_object.start_timestamp)
container_json['image_name'] = container_object.config_image_name
if container_object.mount_id:
container_json['mount_id'] = container_object.mount_id
result.append(container_json)
return result
def testFormatDatetime(self): """Tests the utils.FormatDatetime function.""" test_date = '2017-12-25T15:59:59.102938 msqedigrb msg' expected_time_str = '2017-12-25T15:59:59.102938' self.assertEqual(expected_time_str, utils.FormatDatetime(test_date))
